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Breast cancer radiation

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https://www.readbyqxmd.com/read/27932562/intraoperative-assessment-of-tumor-resection-margins-in-breast-conserving-surgery-using-18f-fdg-cerenkov-luminescence-imaging-a-first-in-human-feasibility-study
#1
Maarten Ruben Grootendorst, Massimiliano Cariati, Sarah Pinder, Ashutosh Kothari, Michael Douek, Tibor Kovacs, Hisham Hamed, Amit Pawa, Fiona Nimmo, Julie Owen, Vernie Ramalingam, Sweta Sethi, Sanjay Mistry, Kunal Vyas, David Tuch, Alan Britten, Mieke Van Hemelrijck, Gary Cook, Chris Sibley-Allen, Sarah Allen, Arnie Purushotham
RATIONALE: In early-stage breast cancer, the primary treatment option for the majority of women is breast-conserving surgery (BCS). There is a clear need for more accurate techniques to assess resection margins intraoperatively, as on average 20% of patients require further surgery to achieve clear margins. Cerenkov luminescence imaging (CLI) combines optical and molecular imaging by detecting light emitted by (18)F-fluorodeoxyglucose ((18)F-FDG). Its high-resolution and small size imaging equipment makes CLI a promising technology for intraoperative margin assessment...
December 8, 2016: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/27931212/pdgf-aa-mediates-mesenchymal-stromal-cell-chemotaxis-to-the-head-and-neck-squamous-cell-carcinoma-tumor-microenvironment
#2
Tammara L Watts, Ruwen Cui, Peter Szaniszlo, Vicente A Resto, Don W Powell, Irina V Pinchuk
BACKGROUND: The robust desmoplasia associated with head and neck squamous cell carcinoma (HNSCC) suggests that the tumor microenvironment may be an important component in the pathophysiology of this cancer. Moreover, the high recurrence rate and poor clinical response to chemotherapy and radiation treatment further underscores that the non-cancerous cells of the microenvironment, such as mesenchymal stromal cells (MSCs), cancer associated fibroblasts (CAFs), and pericytes, may be important in the pathophysiology of HNSCC...
December 8, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27930717/a-patient-specific-polylactic-acid-bolus-made-by-a-3d-printer-for-breast-cancer-radiation-therapy
#3
So-Yeon Park, Chang Heon Choi, Jong Min Park, MinSoo Chun, Ji Hye Han, Jung-In Kim
PURPOSE: The aim of this study was to assess the feasibility and advantages of a patient-specific breast bolus made using a 3D printer technique. METHODS: We used the anthropomorphic female phantom with breast attachments, which volumes are 200, 300, 400, 500 and 650 cc. We simulated the treatment for a right breast patient using parallel opposed tangential fields. Treatment plans were used to investigate the effect of unwanted air gaps under bolus on the dose distribution of the whole breast...
2016: PloS One
https://www.readbyqxmd.com/read/27930644/immunotherapy-for-the-treatment-of-breast-cancer-checkpoint-blockade-cancer-vaccines-and-future-directions-in-combination-immunotherapy
#4
Heather L McArthur, David B Page
Immunotherapy encompasses both vaccines that direct immune responses to tumor-associated antigens, and checkpoint blocking antibodies that inhibit immune system suppression by targeting key pathways mediated by cytotoxic T-lymphocyte-associated antigen 4, programmed death 1 (PD-1), and programmed death ligand 1 (PD-L1). Both of these approaches currently are being explored as potential strategies for the treatment of breast cancer. Recent studies suggest that immunotherapy is poised to change the therapeutic landscape for some breast cancers...
November 2016: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/27929664/paradigm-shifts-in-breast-care-delivery-impact-of-imaging-in-a-multidisciplinary-environment
#5
Savitri Krishnamurthy, Therese Bevers, Henry M Kuerer, Benjamin Smith, Wei Tse Yang
OBJECTIVE: The practice of breast imaging in a collaborative multidisciplinary environment adds significant value to outcomes in women's health care. In this article, we describe multidisciplinary considerations in breast cancer screening and early detection, the impact of imaging and histopathologic findings in the diagnostic evaluation and management of breast abnormalities, and the contribution of imaging to surgical and radiation therapy planning for the breast cancer patient. CONCLUSION: The multidisciplinary delivery of breast care for women that incorporates screening, diagnosis of borderline and high-risk lesions, and management of the breast cancer patient adds considerable value to outcomes in health care...
December 8, 2016: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/27928868/effectiveness-of-decongestive-lymphatic-therapy-in-patients-with-lymphedema-resulting-from-breast-cancer-treatment-regardless-of-previous-lymphedema-treatment
#6
Mehtap Bozkurt, Lynn J Palmer, Ying Guo
Decongestive lymphatic therapy (DLT) has gained wide acceptance as an effective treatment for patients with lymphedema resulting from breast cancer treatment. It is unclear whether DLT is effective for patients with lymphedema who have received lymphedema treatment previously. Our purpose was to compare the effectiveness of DLT in patients who had received lymphedema treatment previously with those who had never received treatment. We retrospectively reviewed the medical records of 98 patients who received outpatient lymphedema therapy for upper extremity lymphedema following surgery...
December 7, 2016: Breast Journal
https://www.readbyqxmd.com/read/27923734/breaking-the-matching-in-nested-case-control-data-offered-several-advantages-for-risk-estimation
#7
Bénédicte Delcoigne, Edoardo Colzani, Michaela Prochazka, Giovanna Gagliardi, Per Hall, Michal Abrahamowicz, Kamila Czene, Marie Reilly
OBJECTIVE: To demonstrate the advantage of using weighted Cox regression to analyse nested case-control data in overcoming limitations encountered with traditional conditional logistic regression. STUDY DESIGN AND SETTING: We analysed data from 1051 women who were sampled in a case-control study of lung cancer nested within a cohort of breast cancer patients. We investigated how lung cancer risk is associated with radiation therapy and modified by smoking, with both conditional logistic regression and weighted Cox regression models...
December 3, 2016: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/27921518/increased-radio-toxicity-in-two-cancerous-cell-lines-irradiated-by-low-and-high-energy-photons-in-the-presence-of-thio-glucose-bound-gold-nanoparticles
#8
Shokouhozaman Soleymanifard, Atefeh Rostami, Seyed Amir Aledavood, Maryam Moghadam Matin, Ameneh Sazgarnia
PURPOSE: Gold nanoparticles modified by thio-glucose have been believed to increase the toxicity of radiotherapy in human malignant cells. We report the effect of thio-glucose-bound gold nanoparticles (Glu-G nanoparticles), 16 nm in size, on two human lung (QU-DB) and breast (MCF7) cancer cell lines combined with kilo and megavoltage X-rays. MATERIALS AND METHODS: The shape and surface characteristics, the size distribution and light absorption spectrum of the prepared nanoparticles were measured by transmission electron microscopy, dynamic light scattering, and Ultraviolet-Visible spectrophotometry, respectively...
December 6, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27920865/recurrent-radiation-induced-osteosarcoma-of-the-sternum-in-a-patient-with-remote-radiation-therapy-for-breast-cancer
#9
Joseph M Limback, Haley P Letter, Kurt F Scherer, Christopher W Wasyliw, Laura W Bancroft
BACKGROUND: Recurrent radiation-induced osteosarcoma of the sternum following remote radiation therapy for breast cancer and sternal reconstruction. CASE: A 51-year-old woman presents with recurrent, radiation-induced sternal osteosarcoma 11 years after receiving both radiation therapy for breast cancer and sternal reconstruction. The case details both her work-up and subsequent course, including reconstructive and curative efforts. DISCUSSION: An uncommon side effect of radiation therapy for breast cancer is development of osteosarcoma of the chest wall...
December 2016: Radiology case reports
https://www.readbyqxmd.com/read/27920708/cutaneous-metastasis-due-to-breast-cancer-in-a-patient-with-primary-biliary-cirrhosis-a-case-report
#10
Sailaja Kamaraju, Jill Depke, Janice Povletich, Adam Currey, Elizabeth Weil
BACKGROUND: Breast cancer is the most common solid tumor to cause cutaneous metastases. These are incurable and the treatment goal is geared toward local control with surgical excision, radiation, and chemotherapy. However, treatment can be challenging in subjects with end-stage liver disease and a multidisciplinary approach is warranted. CASE REPORT: In this case report, we present a 61-year-old female with primary biliary cirrhosis and human epidermal growth factor-2 (HER-2)-positive breast cancer, who subsequently developed cutaneous metastases...
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/27913498/long-term-risk-of-second-malignancy-and-cardiovascular-disease-after-hodgkin-lymphoma-treatment
#11
Flora E van Leeuwen, Andrea K Ng
Long-term survivors of Hodgkin lymphoma (HL) experience several late adverse effects of treatment, with second malignant neoplasms (SMNs) and cardiovascular diseases (CVDs) being the leading causes of death in these patients. Other late effects have also been identified, such as pulmonary dysfunction, endocrinopathies (thyroid dysfunction, infertility), neck muscle atrophy, and persistent fatigue. HL survivors have two- to fourfold increased risks to develop SMNs and CVD compared with the general population...
December 2, 2016: Hematology—the Education Program of the American Society of Hematology
https://www.readbyqxmd.com/read/27913066/prophylactic-treatment-with-a-potent-corticosteroid-cream-ameliorates-radiodermatitis-independent-of-radiation-schedule-a-randomized-double-blinded-study
#12
Eva Ulff, Marianne Maroti, Jörgen Serup, Mats Nilsson, Ursula Falkmer
BACKGROUND AND PURPOSE: The study will test the hypothesis that preventive topical steroid treatment instituted from start of radiotherapy can ameliorate acute radiation dermatitis. Subgroups of increased risk of dermatitis are included. MATERIAL AND METHODS: A double blinded randomized trial in patients with breast cancer receiving adjuvant radiotherapy (RT) after surgery. In total, 202 patients were randomized to betamethasone-17-valerate cream or Essex® cream, a moisturizer...
November 29, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/27906782/predicting-heart-dose-in-breast-cancer-patients-who-received-3d-conformal-radiation-therapy
#13
Daniel Wollschläger, Heiko Karle, Marcus Stockinger, Detlef Bartkowiak, Sandra Bührdel, Hiltrud Merzenich, Thomas Wiegel, Heinz Schmidberger, Maria Blettner
Cardiac late effects are a major health concern for long-term survivors after radiotherapy for breast cancer. Large cohort studies to better understand the exact dose-response relationship require individual estimates of radiation dose to the heart. To predict individual cardiac dose from information that is typically available for all members of a retrospective epidemiological cohort study, 774 female breast cancer patients treated with megavoltage tangential field radiotherapy in 1998-2008 were examined. All dose distributions were calculated using Eclipse with the anisotropic analytical algorithm (AAA) for photon fields and the electron Monte Carlo algorithm for electron boost fields...
January 2017: Health Physics
https://www.readbyqxmd.com/read/27906762/complications-in-postmastectomy-breast-reconstruction-one-year-outcomes-of-the-mastectomy-reconstruction-outcomes-consortium-mroc-study
#14
Edwin G Wilkins, Jennifer B Hamill, Hyungjin M Kim, John Y Kim, Richard J Greco, Ji Qi, Andrea L Pusic
OBJECTIVE: In postmastectomy reconstruction, procedure choice is heavily influenced by the relative risks of the various options. This study sought to evaluate complications in a large, multicenter patient population. SUMMARY OF BACKGROUND DATA: Previous studies have reported widely varying complication rates, but have been limited by their single center designs and inadequate controlling for confounders in their analyses. METHODS: Eleven sites enrolled women undergoing first time, immediate, or delayed reconstruction following mastectomy for cancer treatment or prophylaxis...
November 30, 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27906432/analysis-of-radiotherapy-optimization-regimens-after-modified-radical-mastectomy
#15
X-B Zhao, G-S Ren
OBJECTIVE: Concomitant chemo-radiotherapy after modified radical mastectomy for breast cancer is an effective means of achieving high survival rates. In this study different radiotherapy optimization regimens are compared to assess their effectiveness and toxicity rates. PATIENTS AND METHODS: 112 patients with modified radical mastectomy participated, and were randomly assigned to one of three groups, all receiving adjuvant chemotherapy for 4-6 weeks prior to radiotherapy: group A received intensity modulated radiotherapy (radiation dose (DT) 50 Gy, 2...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27905950/use-of-indocyanine-green-and-the-hypereye-system-for-detecting-sentinel-lymph-nodes-in-breast-cancer-within-a-population-of-european-patients-a-pilot-study
#16
Oldřich Coufal, Vuk Fait
BACKGROUND: Certain studies suggest that using indocyanine green (ICG) could be comparable with using radioisotopes (RI) in detecting sentinel lymph nodes (SLNs) in breast cancer. A number of these studies were performed in Asia. The objective of our pilot study was to evaluate within a European population of breast cancer patients the detection rate of SLNs using ICG and the HyperEye system and the concordance in SLNs detected using this method and the standard method involving RI and a gamma probe...
December 1, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27896639/seom-clinical-guideline-for-bone-metastases-from-solid-tumours-2016
#17
C Grávalos, C Rodríguez, A Sabino, M Á Seguí, J A Virizuela, A Carmona, J Cassinello, D Isla, C Jara, M Martín
Bone metastases are common in many advanced solid tumours, being breast, prostate, thyroid, lung, and renal cancer the most prevalent. Bone metastases can produce skeletal-related events (SREs), defined as pathological fracture, spinal cord compression, need of bone irradiation or need of bone surgery, and hypercalcaemia. Patients with bone metastases experience pain, functional impairment and have a negative impact on their quality of life. Several imaging techniques are available for diagnosis of this disease...
December 2016: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/27895876/assessment-of-mean-glandular-dose-in-mammography-system-with-different-anode-filter-combinations-using-mcnp-code
#18
Lida Gholamkar, Ali Asghar Mowlavi, Mahdi Sadeghi, Mitra Athari
BACKGROUND: X-ray mammography is one of the general methods for early detection of breast cancer. Since glandular tissue in the breast is sensitive to radiation and it increases the risk of cancer, the given dose to the patient is very important in mammography. OBJECTIVES: The aim of this study was to determine the average absorbed dose of X-ray radiation in the glandular tissue of the breast during mammography examinations as well as investigating factors that influence the mean glandular dose (MGD)...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27895032/molecular-pathways-receptor-ectodomain-shedding-in-treatment-resistance-and-monitoring-of-cancer
#19
Miles A Miller, Ryan J Sullivan, Douglas A Lauffenburger
Proteases known as sheddases cleave the extracellular domains of their substrates from the cell surface. The A Disintegrin and Metalloproteinases ADAM10 and ADAM17 are among the most prominent sheddases, being widely expressed in many tissues, frequently over-expressed in cancer, and promiscuously cleaving diverse substrates. It is increasingly clear that the proteolytic shedding of transmembrane receptors impacts pathophysiology and drug response. Receptor substrates of sheddases include the cytokine receptors TNFR1 and IL-6R; the Notch receptors; type-I and -III TGF-β receptors; receptor tyrosine kinases (RTKs) such as HER2, HER4, and VEGFR2; and in particular, MET and TAM-family RTKs AXL and Mer (MerTK)...
November 28, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27893626/molecular-profiling-using-breast-cancer-subtype-to-plan-for-breast-reconstruction
#20
Lars Johan Sandberg, Mark W Clemens, W F Symmans, Vicente Valero, Abigail S Caudle, Benjamin Smith, Henry M Kuerer, Limin Hsu, Steven J Kronowitz
BACKGROUND: Molecular profiling using breast cancer subtype has an increasing role in the multidisciplinary care of the breast cancer patient. We sought to determine the role of breast cancer subtyping in breast reconstruction and specifically if breast cancer subtyping can determine the need for postmastectomy radiation therapy (PMRT) and predict recurrence-free survival (RFS) to plan for the timing and technique of breast reconstruction. METHODS: We reviewed prospectively collected data from 1931 reconstructed breasts in breast cancer patients who underwent mastectomy between November 1999 and December 2012...
November 21, 2016: Plastic and Reconstructive Surgery
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